:root{
    --bg:#FFFFFF;
    --surface:#F6F7FB;
    --surface-2:#F0F1F7;
    --ink:#0B0D14;
    --muted:#68707E;
    --line:#E7E9EF;
    --line-strong:#D9DCE6;
    --indigo:#4F46E5;
    --indigo-deep:#4338CA;
    --cyan:#06B6D4;
    --pink:#EC4899;
    --grad: linear-gradient(120deg, var(--indigo), var(--cyan));
    --grad-soft: linear-gradient(120deg, rgba(79,70,229,0.10), rgba(6,182,212,0.10));
    --shadow-sm: 0 1px 2px rgba(11,13,20,0.04), 0 1px 1px rgba(11,13,20,0.03);
    --shadow-md: 0 8px 24px -8px rgba(11,13,20,0.12);
    --shadow-lg: 0 24px 64px -16px rgba(79,70,229,0.22);
    --radius-lg:24px;
    --radius-md:16px;
    --radius-sm:10px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:'Inter', sans-serif;
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3{
    font-family:'Space Grotesk', sans-serif;
    font-weight:600;
    margin:0;
    line-height:1.08;
    letter-spacing:-0.02em;
    color:var(--ink);
  }
  .mono{
    font-family:'JetBrains Mono', monospace;
    letter-spacing:0.02em;
  }
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  ::selection{background:var(--indigo);color:#fff;}

  .wrap{
    max-width:1180px;
    margin:0 auto;
    padding:0 32px;
  }

  .grad-text{
    background:var(--grad);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }

  /* reveal-on-scroll */
  .reveal{
    opacity:0;
    transform:translateY(22px);
    transition:opacity .7s cubic-bezier(.16,.8,.24,1), transform .7s cubic-bezier(.16,.8,.24,1);
  }
  .reveal.in{opacity:1;transform:translateY(0);}
  .reveal-delay-1{transition-delay:.08s;}
  .reveal-delay-2{transition-delay:.16s;}
  .reveal-delay-3{transition-delay:.24s;}

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;transition:none;}
    *{animation:none !important;}
  }

  /* ---------- HEADER ---------- */
  header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:100;
    background:rgba(255,255,255,0.72);
    backdrop-filter:blur(14px) saturate(1.4);
    border-bottom:1px solid transparent;
    transition:border-color .3s ease, box-shadow .3s ease;
  }
  header.scrolled{
    border-color:var(--line);
    box-shadow:0 4px 24px -12px rgba(11,13,20,0.08);
  }
  .nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:16px 32px;
    max-width:1180px;
    margin:0 auto;
  }
  .logo{
    font-family:'Space Grotesk', sans-serif;
    font-weight:700;
    font-size:1.3rem;
    letter-spacing:-0.02em;
    display:flex;
    align-items:center;
    gap:9px;
  }
  .logo .mark{
    width:26px;height:26px;
    border-radius:8px;
    background:var(--grad);
    display:inline-block;
    position:relative;
  }
  .logo .mark::after{
    content:'';
    position:absolute;
    inset:6px;
    border-radius:4px;
    background:#fff;
  }
  nav.links{display:flex;gap:8px;}
  nav.links a{
    font-size:0.9rem;
    color:var(--muted);
    font-weight:500;
    padding:9px 16px;
    border-radius:100px;
    transition:color .2s ease, background .2s ease;
  }
  nav.links a:hover{color:var(--ink); background:var(--surface);}
  .nav-cta{
    font-family:'Inter', sans-serif;
    font-weight:600;
    font-size:0.88rem;
    padding:10px 20px;
    border-radius:100px;
    background:var(--ink);
    color:#fff;
    transition:transform .2s ease, box-shadow .2s ease;
  }
  .nav-cta:hover{transform:translateY(-1px); box-shadow:var(--shadow-md);}

  /* ---------- HERO ---------- */
  .hero{
    position:relative;
    min-height:100vh;
    display:flex;
    align-items:center;
    overflow:hidden;
    padding-top:90px;
    background:
      radial-gradient(700px 500px at 82% 8%, rgba(6,182,212,0.14), transparent 60%),
      radial-gradient(650px 500px at 8% 30%, rgba(79,70,229,0.13), transparent 60%),
      #ffffff;
  }
  #hero-canvas{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    opacity:0.9;
  }
  .hero-content{
    position:relative;
    z-index:2;
    max-width:1180px;
    margin:0 auto;
    padding:60px 32px;
    width:100%;
    text-align:center;
  }
  .pill{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:0.82rem;
    font-weight:600;
    color:var(--indigo-deep);
    background:#fff;
    border:1px solid var(--line-strong);
    padding:8px 16px 8px 8px;
    border-radius:100px;
    margin-bottom:28px;
    box-shadow:var(--shadow-sm);
  }
  .pill .dot-badge{
    width:8px;height:8px;border-radius:50%;
    background:var(--grad);
    display:inline-block;
  }
  .hero h1{
    font-size:clamp(2.6rem, 6.2vw, 5rem);
    max-width:15ch;
    margin:0 auto;
  }
  .hero p.sub{
    margin:26px auto 0;
    max-width:46ch;
    font-size:1.18rem;
    color:var(--muted);
    font-weight:400;
  }
  .hero-ctas{
    margin-top:38px;
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    align-items:center;
    justify-content:center;
  }
  .btn-primary{
    font-family:'Inter', sans-serif;
    font-weight:600;
    background:var(--ink);
    color:#fff;
    padding:16px 30px;
    font-size:0.96rem;
    border-radius:100px;
    display:inline-block;
    position:relative;
    box-shadow:var(--shadow-md);
    transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
  }
  .btn-primary:hover{
    transform:translateY(-2px);
    box-shadow:0 16px 40px -12px rgba(11,13,20,0.35);
  }
  .btn-primary.grad{
    background:var(--grad);
  }
  .btn-primary.grad:hover{
    box-shadow:0 16px 44px -12px rgba(79,70,229,0.5);
  }
  .btn-ghost{
    font-family:'Inter', sans-serif;
    font-weight:600;
    font-size:0.94rem;
    color:var(--ink);
    padding:16px 22px;
    border-radius:100px;
    border:1px solid var(--line-strong);
    background:#fff;
    transition:border-color .2s ease, background .2s ease;
  }
  .btn-ghost:hover{border-color:var(--indigo); background:var(--surface);}

  .hero-proof{
    margin-top:60px;
    display:flex;
    justify-content:center;
    gap:48px;
    flex-wrap:wrap;
  }
  .hero-proof .item{
    text-align:center;
  }
  .hero-proof .num{
    font-family:'Space Grotesk', sans-serif;
    font-weight:700;
    font-size:1.7rem;
  }
  .hero-proof .label{
    font-size:0.8rem;
    color:var(--muted);
    margin-top:2px;
  }

  /* ---------- SECTION GENERIC ---------- */
  section{
    padding:120px 0;
    position:relative;
  }
  .section-head{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    gap:40px;
    margin-bottom:64px;
    flex-wrap:wrap;
  }
  .section-tag{
    font-size:0.85rem;
    font-weight:700;
    color:var(--indigo);
    margin-bottom:16px;
    display:inline-flex;
    align-items:center;
    gap:8px;
    text-transform:uppercase;
    letter-spacing:0.06em;
  }
  .section-head h2{
    font-size:clamp(1.9rem, 3.6vw, 2.7rem);
    max-width:16ch;
  }
  .section-head p{
    max-width:34ch;
    color:var(--muted);
    font-size:1.02rem;
  }

  /* ---------- INTRO ---------- */
  .intro{background:var(--surface);}
  .intro-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:70px;
    align-items:start;
  }
  .intro-lede{
    font-family:'Space Grotesk', sans-serif;
    font-weight:600;
    font-size:clamp(1.6rem, 2.6vw, 2.2rem);
    line-height:1.3;
  }
  .intro-body p{
    color:var(--muted);
    font-size:1.04rem;
    margin:0 0 18px;
  }
  .intro-body strong{color:var(--ink); font-weight:700;}
  .intro-quote{
    margin-top:26px;
    padding:24px;
    border-radius:var(--radius-md);
    background:#fff;
    border:1px solid var(--line);
    box-shadow:var(--shadow-sm);
    font-family:'Space Grotesk', sans-serif;
    font-weight:600;
    font-size:1.18rem;
    color:var(--ink);
  }

  /* ---------- RESEARCH ---------- */
  .stat-grid{
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:16px;
    margin-bottom:90px;
  }
  .stat-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    padding:32px 26px;
    box-shadow:var(--shadow-sm);
    transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .stat-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-md);
    border-color:var(--line-strong);
  }
  .stat-num{
    font-family:'Space Grotesk', sans-serif;
    font-weight:700;
    font-size:clamp(2rem, 3.4vw, 2.7rem);
    display:block;
    letter-spacing:-0.02em;
  }
  .stat-label{
    margin-top:10px;
    font-size:0.92rem;
    color:var(--muted);
    max-width:20ch;
  }
  .stat-source{
    margin-top:14px;
    font-size:0.7rem;
    color:#A2A8B5;
    font-weight:500;
    letter-spacing:0.03em;
    text-transform:uppercase;
  }

  /* funnel signature */
  .funnel-panel{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);
    padding:56px;
    display:grid;
    grid-template-columns:0.9fr 1.1fr;
    gap:60px;
    align-items:center;
  }
  .funnel-copy h3{
    font-size:clamp(1.5rem, 2.6vw, 2rem);
    margin-bottom:18px;
    max-width:14ch;
  }
  .funnel-copy p{
    color:var(--muted);
    font-size:1.02rem;
    max-width:38ch;
    margin:0 0 14px;
  }
  .funnel-copy .callout{
    margin-top:24px;
    font-family:'Space Grotesk', sans-serif;
    font-weight:600;
    font-size:1.2rem;
    color:var(--ink);
    border-left:3px solid;
    border-image:var(--grad) 1;
    padding-left:18px;
  }
  .funnel-stage-label{
    font-family:'JetBrains Mono', monospace;
    font-size:10.5px;
    letter-spacing:0.05em;
    font-weight:500;
    fill:#9198A6;
  }
  #funnel-svg{width:100%; height:auto;}

  /* ---------- PRICING ---------- */
  .pricing{background:var(--surface);}
  .price-card{
    max-width:560px;
    margin:0 auto;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:52px;
    position:relative;
    box-shadow:var(--shadow-lg);
  }
  .price-card::before{
    content:'';
    position:absolute;
    top:-2px;left:-2px;right:-2px;
    height:6px;
    background:var(--grad);
    border-radius:var(--radius-lg) var(--radius-lg) 0 0;
  }
  .price-top{
    display:flex;
    justify-content:space-between;
    align-items:center;
  }
  .price-name{
    font-size:0.86rem;
    font-weight:700;
    color:var(--indigo);
    text-transform:uppercase;
    letter-spacing:0.05em;
  }
  .price-badge{
    font-size:0.72rem;
    font-weight:700;
    color:#fff;
    background:var(--grad);
    padding:6px 12px;
    border-radius:100px;
  }
  .price-tag{
    display:flex;
    align-items:baseline;
    gap:10px;
    margin:22px 0 4px;
  }
  .price-amount{
    font-family:'Space Grotesk', sans-serif;
    font-weight:700;
    font-size:clamp(2.6rem, 6vw, 3.6rem);
    letter-spacing:-0.02em;
  }
  .price-note{
    font-size:0.85rem;
    color:var(--muted);
    font-weight:500;
    margin-bottom:34px;
  }
  .price-list{
    list-style:none;
    margin:0 0 40px;
    padding:0;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:14px 20px;
  }
  .price-list li{
    font-size:0.94rem;
    color:var(--ink);
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-weight:500;
  }
  .price-list li::before{
    content:'✓';
    color:#fff;
    background:var(--grad);
    width:16px;height:16px;
    border-radius:50%;
    font-size:10px;
    display:flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
    margin-top:2px;
  }
  .price-cta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    flex-wrap:wrap;
  }
  .price-cta .btn-primary{width:100%; text-align:center;}
  .price-disclaimer{
    margin-top:20px;
    font-size:0.82rem;
    color:#A2A8B5;
    text-align:center;
  }

  /* ---------- TESTIMONIALS ---------- */
  .testimonials{background:var(--surface);}
  .testimonial-grid{
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:0;
  }
  .testimonial-card{
    padding:0 32px;
    border-left:1px solid var(--line);
  }
  .testimonial-card:first-child{border-left:none; padding-left:0;}
  .stars{
    color:#F5A623;
    font-size:1.05rem;
    letter-spacing:2px;
    margin-bottom:22px;
  }
  .testimonial-quote{
    font-size:1.04rem;
    color:var(--ink);
    line-height:1.55;
    margin:0 0 32px;
    min-height:150px;
  }
  .testimonial-person{
    display:flex;
    align-items:center;
    gap:14px;
  }
  .testimonial-person img,
  .testimonial-avatar-initial{
    width:48px;
    height:48px;
    border-radius:50%;
    object-fit:cover;
    flex-shrink:0;
  }
  .testimonial-avatar-initial{
    display:flex;
    align-items:center;
    justify-content:center;
    background:var(--grad);
    color:#fff;
    font-family:'Space Grotesk', sans-serif;
    font-weight:600;
    font-size:0.95rem;
  }
  .testimonial-name{
    font-weight:700;
    font-size:0.98rem;
    color:var(--ink);
  }
  .testimonial-role{
    font-size:0.84rem;
    color:var(--muted);
    margin-top:1px;
  }

  @media (max-width: 900px){
    .testimonial-grid{grid-template-columns:1fr 1fr; row-gap:44px;}
    .testimonial-card{border-left:none; padding:0;}
    .testimonial-card:nth-child(odd){padding-right:16px;}
    .testimonial-card:nth-child(even){padding-left:16px; border-left:1px solid var(--line);}
    .testimonial-quote{min-height:auto;}
  }
  @media (max-width: 620px){
    .testimonial-grid{grid-template-columns:1fr; row-gap:40px;}
    .testimonial-card{border-left:none !important; padding:0 !important;}
  }

  /* ---------- ADVANTAGE ---------- */
  .advantage-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:18px;
  }
  .adv-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    padding:34px 30px;
    transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .adv-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-md);
    border-color:var(--line-strong);
  }
  .adv-index{
    width:36px;height:36px;
    border-radius:10px;
    background:var(--grad-soft);
    color:var(--indigo-deep);
    display:flex;
    align-items:center;
    justify-content:center;
    font-family:'JetBrains Mono', monospace;
    font-size:0.78rem;
    font-weight:600;
  }
  .adv-card h3{
    margin-top:18px;
    font-size:1.2rem;
    font-weight:600;
  }
  .adv-card p{
    margin-top:10px;
    color:var(--muted);
    font-size:0.94rem;
  }
  .adv-card .platforms{
    margin-top:14px;
    display:flex;
    flex-wrap:wrap;
    gap:6px;
  }
  .adv-card .platforms span{
    font-size:0.72rem;
    font-weight:600;
    color:var(--indigo-deep);
    background:var(--grad-soft);
    padding:4px 9px;
    border-radius:100px;
  }

  /* ---------- CTA ---------- */
  .final-cta{
    text-align:center;
    padding:140px 0;
    position:relative;
    overflow:hidden;
    background:var(--ink);
    color:#fff;
  }
  .final-cta::before{
    content:'';
    position:absolute;
    inset:0;
    background:
      radial-gradient(600px 400px at 20% 20%, rgba(79,70,229,0.35), transparent 60%),
      radial-gradient(600px 400px at 80% 80%, rgba(6,182,212,0.3), transparent 60%);
  }
  .final-cta .wrap{position:relative; z-index:2;}
  .final-cta .section-tag{color:#B9C1FF;}
  .final-cta h2{
    font-size:clamp(2.2rem, 5.2vw, 4rem);
    color:#fff;
    max-width:16ch;
    margin:0 auto;
  }
  .final-cta .sub{
    font-family:'Space Grotesk', sans-serif;
    font-weight:500;
    font-size:1.25rem;
    margin-top:20px;
    color:rgba(255,255,255,0.72);
  }
  .final-price{
    font-family:'Space Grotesk', sans-serif;
    font-weight:700;
    font-size:clamp(3rem, 8vw, 5.2rem);
    margin:34px 0 6px;
    letter-spacing:-0.02em;
  }
  .final-cta .price-note{color:rgba(255,255,255,0.6);}
  .final-cta .btn-primary{
    margin-top:30px;
    background:#fff;
    color:var(--ink);
  }
  .final-cta .btn-primary:hover{
    box-shadow:0 16px 40px -12px rgba(255,255,255,0.3);
  }
  .final-tagline{
    margin-top:46px;
    font-size:0.9rem;
    font-weight:500;
    letter-spacing:0.04em;
    text-transform:uppercase;
    color:rgba(255,255,255,0.5);
  }

  /* ---------- FOOTER ---------- */
  footer{
    padding:44px 0;
    border-top:1px solid var(--line);
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:20px;
  }
  footer .logo{font-size:1.05rem;}
  footer .foot-links{
    display:flex;
    gap:24px;
    font-size:0.86rem;
    color:var(--muted);
    font-weight:500;
  }
  footer .foot-links a:hover{color:var(--indigo);}
  footer .foot-note{
    font-size:0.78rem;
    color:#A2A8B5;
  }

  /* responsive */
  @media (max-width: 900px){
    .intro-grid{grid-template-columns:1fr; gap:32px;}
    .stat-grid{grid-template-columns:repeat(2,1fr);}
    .funnel-panel{grid-template-columns:1fr; gap:40px; padding:36px 24px;}
    .advantage-grid{grid-template-columns:1fr;}
    .price-list{grid-template-columns:1fr;}
    nav.links{display:none;}
    .nav-cta{font-size:0.8rem; padding:9px 16px;}
    section{padding:80px 0;}
    .price-card{padding:36px 24px;}
    .hero-proof{gap:28px;}
  }